Yamaha E


We all re­mem­ber the game-chang­ing Yamaha TY 250cc Mono-Shock tri­als ma­chine fea­tur­ing the sin­gle-shock rear sus­pen­sion, which ar­rived in 1983. That model used a con­ven­tional sin­gle-cylin­der, air cooled two-stroke en­gine but the mighty Ja­panese man­u­fac­turer has given the tri­als world a mas­sive ‘E’ shock with its new TY model elec­tric tri­als ma­chine. It was un­veiled at the Tokyo Mo­tor­cy­cle Show in Ja­pan in late March. Yamaha also con­firmed that its fac­tory sup­ported rider, tri­als rider Kenichi Kuroyama, will rep­re­sent the Yamaha Fac­tory Rac­ing Team dur­ing 2018 in the FIM Tri­alE Cup Class. Could we have the first ever Ja­panese Tri­als World Cham­pion?

New Tech­nol­ogy

With the pic­tures we have seen it all looks very new. The ma­chine has come straight from the com­pany’s evolv­ing re­search and de­vel­op­ment pro­gramme, in which their em­ploy­ees are given the op­por­tu­nity to work out­side the con­ven­tional ‘box’ and de­vote up to 5% of their work­ing hours towards new ideas and con­cepts.

It ap­pears that the vi­sion for the new TY-E model was fo­cussed around high out­puts of power from small and lightweight com­po­nents, with the aim of pro­vid­ing an easy-to-ride, re­spon­sive but con­trol­lable mo­tor­cy­cle. One thing you have to bear in mind at this early stage of the ma­chine is that it’s still a pro­to­type and not a pro­duc­tion model. In a state­ment from Yamaha, it ap­pears that the air-cooled elec­tric en­gine is housed in an ex­otic car­bon fi­bre chas­sis, very much along the lines of the modern twostroke tri­als mod­els, with the un­der­side of the en­gine pro­tected by an alu­minium sump guard.

With a claimed weight of 70kg the front sus­pen­sion, swing­ing arm and wheels, disc brakes etc, ap­pear to be very sim­i­lar to some of the ones that are stan­dard fit­ting in Europe.

Yamaha TY-E key fea­tures

• A high ro­ta­tion-type, com­pact, high-power elec­tric mo­tor that achieves high off-road per­for­mance with both pow­er­ful low speed torque and ex­tended ac­cel­er­a­tion. • So­phis­ti­cated mo­tor con­trol tech­nol­ogy that achieves an ex­cel­lent re­sponse and a power feel­ing from ex­tremely low- to high-speed ranges. • A me­chan­i­cal clutch that en­sures in­stan­ta­neous power and con­trol, and an elec­tric mo­tor and op­ti­mised fly­wheel that of­fers ex­cel­lent trac­tion per­for­mance. • A newly de­signed, com­pact, high-out­put battery

pack with com­pact and lightweight com­po­nents. • Ad­vanced CFRP mono­coque frame that is at the light­est pos­si­ble weight while de­liv­er­ing op­ti­mal rigid­ity and battery stor­age space • Ex­tremely slim body­work that does not in­ter­fere

with the rider.

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